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All Journal Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Indonesian Physical Review JURNAL CRANKSHAFT Innovative: Journal Of Social Science Research
Kusumohadi, Catur Setyawan
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Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Energy Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Transportation Other

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FIRE EMERGENCY RESPONSE PLANNING IN THE STUDIO Y AT TELEVISION STATION X WEST JAKARTA Kusumohadi, Catur Setyawan; Farida, Fransisca Maria; Prawesti, Eufrasia Viany
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol. 28 No. 2 (2023): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v28i2.5241

Abstract

As a prevention as most fires occur in building, it is important to plan a fire emergency. This study aims to make a fire emergency response plan in Studio Y at Television Station X. Data collection was carried out at Studio Y by identifying potential fire hazards and analyzing emergency response facilities and infrastructure. The results showed that Studio Y had a fairly high fire hazard potential because there were many tools and equipment that could be triggering a fire. Therefore, planning for a fire emergency was carried out according to the fire scenario and determining evacuation routes which were divided based on color zones and the number of available doors.
Analisis Redaman Sistem Vibrasi Paksa Satu Derajat Kebebasan Pada Simple Vibration Apparatus Setiawan, Dibyo; Zainuddin, Zainiddin; Thoyib, Ibnu Annas; Kholil, Ahmad; Kusumohadi, Catur Setyawan
JURNAL CRANKSHAFT Vol 7, No 2 (2024): Jurnal Crankshaft Vol.7 No.2 (2024)
Publisher : Universitas Muria Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24176/cra.v7i2.12447

Abstract

Vibration testing in the field of mechanical engineering has an important role in planning and maintaining machines to determine whether the design is safe and suitable for application. Newton's second law is a reference for back-and-forth movement around equilibrium both within the system and from outside the system which affects the machine itself, if the frequency of stimulation is equal to one of the system's natural frequencies, then resonance occurs, and dangerously large oscillations, resonance can cause damage to the system. The solution to avoid excessive resonance requires a damper. Forced vibration oscillations are applied by excitation using an unbalanced mass installed on a DC motor unit, the response is a mass deviation to obtain oscillations or time relationships with amplitude, the natural frequency of the system, mass-spring deviation, and characteristics of vibration. This activity aims to analyze the effect of the vibration amplitude of a forced vibration simulator under conditions without damping and using damping. The experimental test method was applied to a forced vibration system with one degree of freedom with an oil and air damper in a simple vibration apparatus simulator, 2 types of unbalanced masses, regulated by rotation up to 500rpm, tested under conditions without a damper, using an oil and air damper. The results of the activity showed that the air-dampening media can limit greater amplitude compared to the oil-dampening media.
SIMULATION OF PLACEMENT FOR FOAM INLET INJECTOR POSITION ON FIREFIGHTER JET NOZZLE Hadi Sutrisno, Himawan; Kusumohadi, Catur Setyawan; Yudistira, Nopel Syahdan
Indonesian Physical Review Vol. 8 No. 1 (2025)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v8i1.398

Abstract

Water is a widely used and effective fire-extinguishing medium, but its effectiveness diminishes at high temperatures. By disrupting the oxygen chain in the fire triangle, Foam media can enhance suppression performance. This study simulates the impact of foam injector placement on the effectiveness of jet nozzles in fire extinguishers. Simulations were conducted with foam injectors positioned at the nozzle's inlet, middle, and outlet. Results indicate that placing the foam injector at the outlet provides optimal spray velocity, pressure, and extinguishing performance. These findings highlight the importance of injector placement in improving fire suppression efficiency for liquid-based extinguishing systems.
Pembuatan Datum Plane Dalam Modul Gambar Teknik Sebagai Media Pembelajaran Murid SMK Setiawan, Irwan; Kusumohadi, Catur Setyawan; Basori, Imam
Innovative: Journal Of Social Science Research Vol. 4 No. 4 (2024): Innovative: Journal Of Social Science Research
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/innovative.v4i4.13441

Abstract

Penelitian ini bertujuan untuk mengetahui kelayakan dan efektifitas datum palne dalam modul gambar Teknik yang diterapkan pada proses penyelenggaraan pengayaan materi gambar tekink. Untuk model yang digunakan dalam penelitian ini adalah research and development (R&D), dengan acuan 4D (Define, Design, Development, dissemnitaion). Subjek dari penelitian ini adalah ahli materi dan ahli media sedangkan objek dari penelitian ini adalah peserta didik kompetensi keahlian teknik otomotif SMK Negeri 55 Jakarta. Untuk teknik pengumpulan data dalam penelitian ini dilakukan observasi, wawancara untuk menganalisis kebutuhan modul, angket dan pretest-posttest. Untuk uji kelayakan modul dalam penelitian ini dilakukan pada empat responden yaitu dosen ahli materi, guru ahli materi, ahli media dan angket peserta didik didapatkan total nilai sebesar 3,63 dengan kreterua sangat layak . Sedangkan untuk mengetahui efektivitas modul didalam penelitian yaitu instrument pretest-posttest pada kellompok kecil nilai pretest sebesar 15,33 dan posttest sebesar 68,17. Dari uji statistik normalitas dan homogenitas data termasuk parametrik sehigga dapat di uji t mendapatkan hasil signifikan terdapat perbedaan yang dapat menyimpulkan media dan modul sangat efektif digunakan di SMKN 55 Jakarta.
Co-Authors Ahmad Kholil Farida, Fransisca Maria Hadi Sutrisno, Himawan Imam Basori IRWAN SETIAWAN Prawesti, Eufrasia Viany setiawan, Dibyo Thoyib, Ibnu Annas Yudistira, Nopel Syahdan Zainuddin, Zainiddin